EP1221538A3 - Gekühlte Turbinenleitschaufel - Google Patents

Gekühlte Turbinenleitschaufel Download PDF

Info

Publication number
EP1221538A3
EP1221538A3 EP01310734A EP01310734A EP1221538A3 EP 1221538 A3 EP1221538 A3 EP 1221538A3 EP 01310734 A EP01310734 A EP 01310734A EP 01310734 A EP01310734 A EP 01310734A EP 1221538 A3 EP1221538 A3 EP 1221538A3
Authority
EP
European Patent Office
Prior art keywords
sidewalls
stator blade
turbine stator
cooled turbine
extending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01310734A
Other languages
English (en)
French (fr)
Other versions
EP1221538A2 (de
EP1221538B1 (de
Inventor
Sean Robert Keith
Mark Edward Stegemiller
Steven Robert Brassfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP1221538A2 publication Critical patent/EP1221538A2/de
Publication of EP1221538A3 publication Critical patent/EP1221538A3/de
Application granted granted Critical
Publication of EP1221538B1 publication Critical patent/EP1221538B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/126—Baffles or ribs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/128—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP01310734A 2001-01-05 2001-12-20 Gekühlte Turbinenleitschaufel Expired - Lifetime EP1221538B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/755,352 US6428273B1 (en) 2001-01-05 2001-01-05 Truncated rib turbine nozzle
US755352 2001-01-05

Publications (3)

Publication Number Publication Date
EP1221538A2 EP1221538A2 (de) 2002-07-10
EP1221538A3 true EP1221538A3 (de) 2004-01-07
EP1221538B1 EP1221538B1 (de) 2006-05-03

Family

ID=25038790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01310734A Expired - Lifetime EP1221538B1 (de) 2001-01-05 2001-12-20 Gekühlte Turbinenleitschaufel

Country Status (4)

Country Link
US (1) US6428273B1 (de)
EP (1) EP1221538B1 (de)
JP (1) JP4097429B2 (de)
DE (1) DE60119273T2 (de)

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US6382908B1 (en) * 2001-01-18 2002-05-07 General Electric Company Nozzle fillet backside cooling
US6609880B2 (en) * 2001-11-15 2003-08-26 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6602047B1 (en) * 2002-02-28 2003-08-05 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6884036B2 (en) * 2003-04-15 2005-04-26 General Electric Company Complementary cooled turbine nozzle
US6929446B2 (en) * 2003-10-22 2005-08-16 General Electric Company Counterbalanced flow turbine nozzle
US7220103B2 (en) * 2004-10-18 2007-05-22 United Technologies Corporation Impingement cooling of large fillet of an airfoil
US7156620B2 (en) * 2004-12-21 2007-01-02 Pratt & Whitney Canada Corp. Internally cooled gas turbine airfoil and method
US7156619B2 (en) * 2004-12-21 2007-01-02 Pratt & Whitney Canada Corp. Internally cooled gas turbine airfoil and method
US7131816B2 (en) * 2005-02-04 2006-11-07 Pratt & Whitney Canada Corp. Airfoil locator rib and method of positioning an insert in an airfoil
US7377743B2 (en) * 2005-12-19 2008-05-27 General Electric Company Countercooled turbine nozzle
US7452189B2 (en) * 2006-05-03 2008-11-18 United Technologies Corporation Ceramic matrix composite turbine engine vane
US7780413B2 (en) * 2006-08-01 2010-08-24 Siemens Energy, Inc. Turbine airfoil with near wall inflow chambers
US7836703B2 (en) * 2007-06-20 2010-11-23 General Electric Company Reciprocal cooled turbine nozzle
US7921654B1 (en) * 2007-09-07 2011-04-12 Florida Turbine Technologies, Inc. Cooled turbine stator vane
US7934906B2 (en) * 2007-11-14 2011-05-03 Siemens Energy, Inc. Turbine blade tip cooling system
US8281604B2 (en) * 2007-12-17 2012-10-09 General Electric Company Divergent turbine nozzle
US8057169B2 (en) * 2008-06-13 2011-11-15 General Electric Company Airfoil core shape for a turbine nozzle
US8231329B2 (en) * 2008-12-30 2012-07-31 General Electric Company Turbine blade cooling with a hollow airfoil configured to minimize a distance between a pin array section and the trailing edge of the air foil
US8348613B2 (en) * 2009-03-30 2013-01-08 United Technologies Corporation Airflow influencing airfoil feature array
EP2256297B8 (de) 2009-05-19 2012-10-03 Alstom Technology Ltd Gasturbinenschaufel mit verbesserter Kühlung
FR2953252B1 (fr) * 2009-11-30 2012-11-02 Snecma Secteur de distributeur pour une turbomachine
US9011077B2 (en) * 2011-04-20 2015-04-21 Siemens Energy, Inc. Cooled airfoil in a turbine engine
US8734108B1 (en) * 2011-11-22 2014-05-27 Florida Turbine Technologies, Inc. Turbine blade with impingement cooling cavities and platform cooling channels connected in series
US9151173B2 (en) * 2011-12-15 2015-10-06 General Electric Company Use of multi-faceted impingement openings for increasing heat transfer characteristics on gas turbine components
US9249669B2 (en) 2012-04-05 2016-02-02 General Electric Company CMC blade with pressurized internal cavity for erosion control
US9719372B2 (en) 2012-05-01 2017-08-01 General Electric Company Gas turbomachine including a counter-flow cooling system and method
US9759072B2 (en) 2012-08-30 2017-09-12 United Technologies Corporation Gas turbine engine airfoil cooling circuit arrangement
US9458767B2 (en) * 2013-03-18 2016-10-04 General Electric Company Fuel injection insert for a turbine nozzle segment
US10822976B2 (en) 2013-06-03 2020-11-03 General Electric Company Nozzle insert rib cap
WO2015012918A2 (en) * 2013-06-04 2015-01-29 United Technologies Corporation Gas turbine engine airfoil trailing edge suction side cooling
PL3022400T3 (pl) 2013-07-15 2024-04-22 Rtx Corporation Łopatki turbin o zmiennym zaokrągleniu
US20150198050A1 (en) * 2014-01-15 2015-07-16 Siemens Energy, Inc. Internal cooling system with corrugated insert forming nearwall cooling channels for airfoil usable in a gas turbine engine
WO2016036366A1 (en) * 2014-09-04 2016-03-10 Siemens Aktiengesellschaft Internal cooling system with insert forming nearwall cooling channels in an aft cooling cavity of a gas turbine airfoil
US20180045059A1 (en) * 2014-09-04 2018-02-15 Siemens Aktiengesellschaft Internal cooling system with insert forming nearwall cooling channels in an aft cooling cavity of a gas turbine airfoil including heat dissipating ribs
EP3189214A1 (de) * 2014-09-04 2017-07-12 Siemens Aktiengesellschaft Internes kühlsystem mit einsatz zur formung von nahwandigen kühlkanälen in den mittelgurtkühlhohlräumen einer gasturbinenschaufel
US9920635B2 (en) 2014-09-09 2018-03-20 Honeywell International Inc. Turbine blades and methods of forming turbine blades having lifted rib turbulator structures
EP2998507A1 (de) * 2014-09-16 2016-03-23 Siemens Aktiengesellschaft Eine gekühlte Turbinenschaufel, welche interne Verbindungsrippen zwischen den Kühlräumen beinhaltet, welche Sollbruchstellen zur Verringerung von Thermischen Spannungen aufweisen
EP3032034B1 (de) * 2014-12-12 2019-11-27 United Technologies Corporation Prallblecheinsatz, leitschaufel mit einem prallblecheinsatz und zugehöriges herstellungsverfahren für eine leitschaufel
US9810084B1 (en) * 2015-02-06 2017-11-07 United Technologies Corporation Gas turbine engine turbine vane baffle and serpentine cooling passage
WO2016148695A1 (en) * 2015-03-17 2016-09-22 Siemens Energy, Inc. Turbine airfoil with internal cooling system having nearwall cooling channels formed from an inner wall formed separately from an outer wall forming the turbine airfoil
US10253986B2 (en) * 2015-09-08 2019-04-09 General Electric Company Article and method of forming an article
US20170067365A1 (en) * 2015-09-09 2017-03-09 General Electric Company Exhaust frame strut with cooling fins
US20170198602A1 (en) * 2016-01-11 2017-07-13 General Electric Company Gas turbine engine with a cooled nozzle segment
PL232314B1 (pl) 2016-05-06 2019-06-28 Gen Electric Maszyna przepływowa zawierająca system regulacji luzu
US10309246B2 (en) 2016-06-07 2019-06-04 General Electric Company Passive clearance control system for gas turbomachine
US10605093B2 (en) 2016-07-12 2020-03-31 General Electric Company Heat transfer device and related turbine airfoil
US10392944B2 (en) 2016-07-12 2019-08-27 General Electric Company Turbomachine component having impingement heat transfer feature, related turbomachine and storage medium
US10669861B2 (en) * 2017-02-15 2020-06-02 Raytheon Technologies Corporation Airfoil cooling structure
GB201705552D0 (en) * 2017-04-06 2017-05-24 Rolls Royce Plc Vane cooling system
GB201705553D0 (en) * 2017-04-06 2017-05-24 Rolls Royce Plc Vane cooling system
US10815806B2 (en) * 2017-06-05 2020-10-27 General Electric Company Engine component with insert
JP6353131B1 (ja) * 2017-06-29 2018-07-04 三菱日立パワーシステムズ株式会社 タービン翼及びガスタービン
US10662783B2 (en) * 2018-08-29 2020-05-26 United Technologies Corporation Variable heat transfer collector baffle
US10822963B2 (en) 2018-12-05 2020-11-03 Raytheon Technologies Corporation Axial flow cooling scheme with castable structural rib for a gas turbine engine
US20200182068A1 (en) * 2018-12-05 2020-06-11 United Technologies Corporation Axial flow cooling scheme with structural rib for a gas turbine engine
US10711620B1 (en) * 2019-01-14 2020-07-14 General Electric Company Insert system for an airfoil and method of installing same
US11396819B2 (en) * 2019-04-18 2022-07-26 Raytheon Technologies Corporation Components for gas turbine engines
US11371360B2 (en) * 2019-06-05 2022-06-28 Raytheon Technologies Corporation Components for gas turbine engines
PL431184A1 (pl) * 2019-09-17 2021-03-22 General Electric Company Polska Spółka Z Ograniczoną Odpowiedzialnością Zespół silnika turbinowego
US11085374B2 (en) * 2019-12-03 2021-08-10 General Electric Company Impingement insert with spring element for hot gas path component
FR3107733B1 (fr) * 2020-02-28 2022-07-08 Safran Aircraft Engines Pale de distributeur haute ou basse pression pour turbomachine, distributeur et turbomachine comportant de telles pales
CN112196627A (zh) * 2020-09-25 2021-01-08 中国航发沈阳发动机研究所 一种具有冷气导管的涡轮气冷叶片
US20230043718A1 (en) * 2021-08-06 2023-02-09 Raytheon Technologies Corporation Hybrid supply configuration for axially flowing high internal mach number baffles
FR3129429A1 (fr) * 2021-11-24 2023-05-26 Safran Aircraft Engines Secteur de distributeur de turbine pour une turbomachine d’aéronef
US11536149B1 (en) * 2022-03-11 2022-12-27 Mitsubishi Heavy Industries, Ltd. Cooling method and structure of vane of gas turbine
WO2023234134A1 (ja) * 2022-05-31 2023-12-07 三菱パワー株式会社 静翼、及びこれを備えているガスタービン

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US4153386A (en) * 1974-12-11 1979-05-08 United Technologies Corporation Air cooled turbine vanes
US4252501A (en) * 1973-11-15 1981-02-24 Rolls-Royce Limited Hollow cooled vane for a gas turbine engine
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Patent Citations (4)

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US4153386A (en) * 1974-12-11 1979-05-08 United Technologies Corporation Air cooled turbine vanes
US4946346A (en) * 1987-09-25 1990-08-07 Kabushiki Kaisha Toshiba Gas turbine vane
US5288207A (en) * 1992-11-24 1994-02-22 United Technologies Corporation Internally cooled turbine airfoil

Also Published As

Publication number Publication date
DE60119273D1 (de) 2006-06-08
JP2002266604A (ja) 2002-09-18
EP1221538A2 (de) 2002-07-10
US20020090294A1 (en) 2002-07-11
JP4097429B2 (ja) 2008-06-11
US6428273B1 (en) 2002-08-06
EP1221538B1 (de) 2006-05-03
DE60119273T2 (de) 2007-04-12

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